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標(biāo)題: 為什么不顯示距離，是我沒有在keyboard引腳上插開關(guān)么求指教 [打印本頁(yè)]

作者: 在此刻 時(shí)間: 2021-1-2 22:07
標(biāo)題: 為什么不顯示距離，是我沒有在keyboard引腳上插開關(guān)么求指教
#include <AT89x51.H> //器件配置文件#include <intrins.h>#define RX P3_6#define TX P3_7#define LCM_RW P2_3 //定義LCD引腳#define LCM_RS P2_4#define LCM_E P2_2#define LCM_Data P1#define Key_Data P3_3 //定義Keyboard引腳#define Key_CLK P3_2#define Busy 0x80 //用于檢測(cè)LCM狀態(tài)字中的Busy標(biāo)識(shí)void LCMInit(void);void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData);void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData);void Delay5Ms(void);void Delay400Ms(void);void Decode(unsigned char ScanCode);void WriteDataLCM(unsigned char WDLCM);void WriteCommandLCM(unsigned char WCLCM,BuysC);unsigned char ReadDataLCM(void);unsigned char ReadStatusLCM(void);unsigned char code mcustudio[] ={"==Range Finder=="};unsigned char code email[] = {"xxxxxx "};unsigned char code Cls[] = {" "};unsigned char code ASCII[15] = {'0','1','2','3','4','5','6','7','8','9','.','-','M'};static unsigned char DisNum = 0; //顯示用指針 unsigned int time=0; unsigned long S=0; bit flag =0; unsigned char disbuff[4] ={ 0,0,0,0,};//寫數(shù)據(jù)void WriteDataLCM(unsigned char WDLCM) { ReadStatusLCM(); //檢測(cè)忙 LCM_Data = WDLCM; LCM_RS = 1; LCM_RW = 0; LCM_E = 0; //若晶振速度太高可以在這后加小的延時(shí) LCM_E = 0; //延時(shí) LCM_E = 1;}//寫指令void WriteCommandLCM(unsigned char WCLCM,BuysC) //BuysC為0時(shí)忽略忙檢測(cè){ if (BuysC) ReadStatusLCM(); //根據(jù)需要檢測(cè)忙 LCM_Data = WCLCM; LCM_RS = 0; LCM_RW = 0; LCM_E = 0; LCM_E = 0; LCM_E = 1; }//讀數(shù)據(jù)unsigned char ReadDataLCM(void){ LCM_RS = 1; LCM_RW = 1; LCM_E = 0; LCM_E = 0; LCM_E = 1; return(LCM_Data);}//讀狀態(tài)unsigned char ReadStatusLCM(void){ LCM_Data = 0xFF; LCM_RS = 0; LCM_RW = 1; LCM_E = 0; LCM_E = 0; LCM_E = 1; while (LCM_Data & Busy); //檢測(cè)忙信號(hào) return(LCM_Data);}void LCMInit(void) //LCM初始化{ LCM_Data = 0; WriteCommandLCM(0x38,0); //三次顯示模式設(shè)置，不檢測(cè)忙信號(hào) Delay5Ms(); WriteCommandLCM(0x38,0); Delay5Ms(); WriteCommandLCM(0x38,0); Delay5Ms(); WriteCommandLCM(0x38,1); //顯示模式設(shè)置,開始要求每次檢測(cè)忙信號(hào) WriteCommandLCM(0x08,1); //關(guān)閉顯示 WriteCommandLCM(0x01,1); //顯示清屏 WriteCommandLCM(0x06,1); // 顯示光標(biāo)移動(dòng)設(shè)置 WriteCommandLCM(0x0F,1); // 顯示開及光標(biāo)設(shè)置}//按指定位置顯示一個(gè)字符void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData){ Y &= 0x1; X &= 0xF; //限制X不能大于15，Y不能大于1 if (Y) X |= 0x40; //當(dāng)要顯示第二行時(shí)地址碼+0x40; X |= 0x80; //算出指令碼 WriteCommandLCM(X, 1); //發(fā)命令字 WriteDataLCM(DData); //發(fā)數(shù)據(jù)}//按指定位置顯示一串字符void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData){ unsigned char ListLength; ListLength = 0; Y &= 0x1; X &= 0xF; //限制X不能大于15，Y不能大于1 while (DData[ListLength]>0x19) //若到達(dá)字串尾則退出 { if (X <= 0xF) //X坐標(biāo)應(yīng)小于0xF { DisplayOneChar(X, Y, DData[ListLength]); //顯示單個(gè)字符 ListLength++; X++; } }}//5ms延時(shí)void Delay5Ms(void){ unsigned int TempCyc = 5552; while(TempCyc--);}//400ms延時(shí)void Delay400Ms(void){ unsigned char TempCycA = 5; unsigned int TempCycB; while(TempCycA--) { TempCycB=7269; while(TempCycB--); };}/********************************************************/ void Conut(void) { time=TH0*256+TL0; TH0=0; TL0=0; S=(time*1.8)/10; //算出來(lái)是MM if((S>=7000)||flag==1) //超出測(cè)量范圍顯示“-” { flag=0; DisplayOneChar(0, 1, ASCII[11]); DisplayOneChar(1, 1, ASCII[10]); //顯示點(diǎn) DisplayOneChar(2, 1, ASCII[11]); DisplayOneChar(3, 1, ASCII[11]); DisplayOneChar(4, 1, ASCII[11]); DisplayOneChar(5, 1, ASCII[12]); //顯示M } else { disbuff[0]=S/1000; disbuff[1]=S/100%10; disbuff[2]=S/10%10; disbuff[3]=S%10; DisplayOneChar(0, 1, ASCII[disbuff[0]]); DisplayOneChar(1, 1, ASCII[10]); //顯示點(diǎn) DisplayOneChar(2, 1, ASCII[disbuff[1]]); DisplayOneChar(3, 1, ASCII[disbuff[2]]); DisplayOneChar(4, 1, ASCII[disbuff[3]]); DisplayOneChar(5, 1, ASCII[12]); //顯示M } }/********************************************************/ void zd0() interrupt 1 //T0中斷用來(lái)計(jì)數(shù)器溢出,超過測(cè)距范圍 { flag=1; //中斷溢出標(biāo)志 RX=0; }/********************************************************/ void StartModule() //啟動(dòng)模塊 { TX=1; //啟動(dòng)一次模塊 _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); TX=0; }void Timer_Count(void){ TR0=1; //開啟計(jì)數(shù) while(RX); //當(dāng)RX為1計(jì)數(shù)并等待 TR0=0; //關(guān)閉計(jì)數(shù) Conut(); //計(jì)算}/********************************************************/ void delayms(unsigned int ms){ unsigned char i=100,j; for(;ms;ms--) { while(--i) { j=10; while(--j); } }}/*********************************************************/void main(void){ unsigned int valA; unsigned char TempCyc; Delay400Ms(); //啟動(dòng)等待，等LCM講入工作狀態(tài) LCMInit(); //LCM初始化 Delay5Ms(); //延時(shí)片刻(可不要) DisplayListChar(0, 0, mcustudio); DisplayListChar(0, 1, email); ReadDataLCM();//測(cè)試用句無(wú)意義 for (TempCyc=0; TempCyc<10; TempCyc++) Delay400Ms(); //延時(shí) DisplayListChar(0, 1, Cls); TMOD=0x01; //設(shè)T0為方式1，GATE=1； TH0=0; TL0=0; ET0=1; //允許T0中斷 EA=1; //開啟總中斷 while(1) { delayms(60); RX=1; StartModule(); for(valA=7510;valA>0;valA--) { if(RX==1) { Timer_Count(); } } }}

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作者: 51hei團(tuán)團(tuán) 時(shí)間: 2021-1-2 22:53
用電腦版的論壇重新編輯一下代碼吧,這個(gè)格式我估計(jì)沒有一個(gè)人能看明白的

作者: taotie 時(shí)間: 2021-1-2 23:03
比亂碼還要亂

作者: dj3365191 時(shí)間: 2021-1-3 11:09
亂碼都沒它亂

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